The energy emitted by a source is generally referred to as radiation. Examples include heat or sunlight, microwaves in an oven, x-rays from an x-ray tube, and gamma rays from radioactive elements.
Ionizing radiation
can remove electrons from atoms, i.e., e.g. Other examples of ionizing radiation include alpha, beta and gamma rays from radioactive decay.Electromagnetic radiation refers to energy that travels in waves through space at the speed of light. The electromagnetic radiation can be ionizing or non-ionizing radiation depending on its frequency. Non-ionizing radiation is also a type of electromagnetic radiation. This type of radiation doesn't have enough energy to release electrons.
Non-ionizing radiation can come from both natural and artificial sources. Natural sources of ionizing radiation include radiation in the environment of rocks and soil, as well as cosmic radiation from space. These radiation sources are called background radiation. Beta particles are electrons that are much smaller and faster than alpha particles.Most solid objects stop them, but they can easily penetrate human skin and cause tissue damage and burns.
The severe burns suffered by people exposed to the consequences of nuclear reactor explosions and atomic bombs are due to beta particles. These burns are also called beta-burns. Beta particles can be ingested or inhaled if they contaminate water and food, and ingestion causes even more serious damage.However, very small amounts of some types of beta-particle emitting elements (such as iodine 13) are used in medicine to diagnose and treat diseases of the thyroid gland.
Types of Ionizing Radiation
Five types of ionizing radiation: alpha particles, beta particles, positrons, gamma rays and x-rays are the main focus of this page on ionizing radiation safety and health topics. Alpha particles are positively charged particles that are emitted by certain radioactive elements such as uranium and radium.Alpha particles have a relatively low penetrating power and can be stopped by a sheet of paper or even the outer layer of skin. Beta particles are negatively charged electrons that are emitted by certain radioactive elements such as carbon 14 and tritium. Beta particles have a higher penetrating power than alpha particles and can penetrate several centimeters into human tissue. Positrons are positively charged particles that are emitted by certain radioactive elements such as carbon 11 and fluorine 18.Positrons have a higher penetrating power than alpha particles but a lower penetrating power than beta particles.
Gamma rays are high-energy electromagnetic waves that are emitted by certain radioactive elements such as cobalt 60 and cesium 137.Gamma rays have a very high penetrating power and can penetrate several centimeters into human tissue. X-rays are high-energy electromagnetic waves that are produced by an x-ray tube. X-rays have a higher penetrating power than gamma rays but a lower penetrating power than beta particles.
Ionizing Radiation Safety
Ionizing radiation, whether natural or artificial, can be dangerous if not handled properly.It is important to take precautions when working with or near sources of ionizing radiation in order to protect yourself from potential health risks. The most important precaution is to limit your exposure to ionizing radiation by keeping your distance from the source whenever possible. It is also important to wear protective clothing such as lead aprons when working with or near sources of ionizing radiation. In addition, it is important to monitor your exposure to ionizing radiation with dosimeters or other monitoring devices in order to ensure that you do not exceed recommended exposure limits.
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